@@@@@@@@@@@@@@@struts2+extJs 求解@@@@@@@@@@@@@@@@@

//显示

    public void showManagers(){

        if(operation==null||operation.equals("show")||operation.equals("")){

            this.pageCount = ims.getPageCount();            

            this.changPage();

            this.managers = ims.findManagers(this.pageNow);        

            

            //构造Json数据

            JSONArray array = JSONArray.fromObject(this.managers);

            System.out.println(array.toString());

            this.jsonString = "{\"totalCount\":"+this.managers.size()+",\"results\":"+array.toString()+"}";

    

            try {

                ServletActionContext.getResponse().getWriter().print(this.jsonString);

            } catch (IOException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

        }

    }

    var store = new Ext.data.JsonStore({

        proxy:new Ext.data.HttpProxy({

            url:'ManagerAction!showManagers.action',

            method:'POST' 

        }),

        totalProperty:'totalCount',

        root:'results',

        fields:["id","account","password","managerLevel"]

    });

public void personList()throws JSONException ,IOException{

		personList = this.generator();

		listSize = personList.size();

		JSONArray jsonArray = new JSONArray();

		JSONObject obj = null;

		for (Iterator iter = personList.iterator();iter.hasNext();) {

			person = (Person)iter.next();

			obj = new JSONObject();

			obj.put("username", person.getUsername());

			obj.put("password", person.getPassword());

			obj.put("email", person.getEmail());

			obj.put("address", person.getAddress());

			obj.put("qq", person.getQq());

			obj.put("sex", person.getSex());

			jsonArray.put(obj);

		}

		response.getWriter().print("{jsonArray:"+jsonArray+"}");//json数据打印出来格式也正确

		System.out.println("查询成功"+jsonArray.length());//此处有值

	}

 Ext.onReady(function(){

     var store = new Ext.data.JsonStore({

     	url:'user!personList.action',

     	root:'jsonArray',

     	fields:[/*{

     		name:'id',mapping:'id'

     	},*/

     	{

     		name:"username"

     	},{

     		name:"password"

     	},{

     		name:"email"

     	},{

     		name:"address"

     	},{

     		name:"qq"

     	},{

     		name:"sex"

     	}]

     });

     store.load();

     alert(store.getCount());

    // alert(store.get("username"));

     var grid = new Ext.grid.GridPanel({

     	//renderTo:'hello',

     	title:'欢迎登陆',

     	height:150,

     	width:300,

     	columns:[/*{

     		id:'id',

     		header:'序号',

     		dataIndex:'id',

     		width:30,

     		sortable:true

     	},*/

     	{

     		id:'username',

     		header:'用户名称',

     		dataIndex:'username',

     		width:80,

     		sortable:true

     	},{

     		id:'password',

     		header:'用户密码',

     		width:80,

     		dataIndex:'password',

     		sortable:true

     	},{

     		id:'email',

     		header:'邮箱',

     		dataIndex:'email',

     		width:80,

     		sortable:true

     	},{

     		id:'address',

     		header:'地址',

     		width:120,

     		dataIndex:'address',

     		sortable:true

     	},{

     		id:'qq',

     		header:'QQ号码',

     		dataIndex:'qq',

     		width:80,

     		sortable:true

     	},{

     		id:'sex',

     		header:'性别',

     		width:30,

     		dataIndex:'sex',

     		sortable:true

     	}],

     	store:store,

     	stripeRows: true,

     	stateful: true,

     	autoExpandColumn:'id'

     	

     });

});

print("{success:" + result + ",msg:" + str + "}")

print("{success:" + result + ",msg:'" + str + "'}")